
Track Record
Our Projects
4,000+ projects since 1994. 45 states plus Puerto Rico and the U.S. Virgin Islands. See what we've built.
Coast to Coast
Nationwide Coverage
From our three fabrication hubs in South Carolina, Texas, and California, we deploy to project sites across the continental United States.
For the public count of every livestock digester by state, see the US Livestock Digester Atlas, built from the EPA AgSTAR database.
Project Portfolio

Kennedy Space Center — Cape Canaveral, FL
Custom HDPE liner for the launch complex deluge water basin at NASA's Kennedy Space Center, engineered for extreme thermal and acoustic conditions.

Perdue Farms — Lewiston, NC
Comprehensive biogas capture system for one of the largest poultry processing operations in the Southeast.

Diageo USVI Rum Distillery — St. Croix, USVI
Floating cover installation on three 4-million-gallon bioreactor tanks at the Diageo rum distillery in St. Croix, engineered for hurricane conditions.

Port of Charleston / USACE — Daniel Island, SC
Geotextile stabilization and erosion control for critical port infrastructure in partnership with USACE.

SunMaid Growers — Kingsburg, CA
Anaerobic digester system for one of America's most iconic food brands, capturing biogas from raisin processing wastewater.
40 West Landfill Cell 1, Hagerstown, MD
EFI installed two 60 mil textured HDPE liner layers, a geosynthetic clay liner, and protective geotextile for Cell 1 at 40 West Landfill in 2000.

JBS — Worthington, MN
HDPE cover and enclosed flare system for methane destruction at one of JBS's largest pork processing facilities.

Cavenaugh Hog Farm, Wallace, NC
EFI installed a 74,000-square-foot permeable cover and three floating baffles at Cavenaugh Hog Farm in Wallace, North Carolina, in 2003.

Town of Bowman — Bowman, SC
ThermaFab baffle curtain system installed in three lagoons to improve wastewater retention time and meet discharge limits.

Wayne-Sanderson Farms — Southeast US
Multi-site biogas capture and methane destruction program across Wayne-Sanderson poultry operations.

Grupo Hame Olmeca III, Tecún Umán, Guatemala
EFI fabricated and installed anaerobic lagoon covers and a biogas system for Grupo Hame's Olmeca III palm oil mill in Tecún Umán, Guatemala. The historical case study identifies a two-digester project in June 2009.

Johnston County Raw Water Reservoir, NC
EFI installed a 307,661-square-foot permeable cover and a floating baffle at Johnston County's raw water reservoir in 2003.

City of Orangeburg — Orangeburg, SC
ThermaFab clearwell baffle system to increase chlorine contact time and meet water treatment requirements in a space-constrained facility.

Packaging Corporation of America - Tomahawk, WI
Phased installation of Seaman 8130 XR-5 floating covers on four anaerobic basins at Packaging Corporation of America in Tomahawk, Wisconsin.
Teys Australia — Beenleigh, Queensland
Covered anaerobic lagoon and BNR basin for Teys Australia in Queensland, treating 550ML of effluent yearly with biogas fueling boilers.

Staunton Water Treatment Plant, Staunton, VA
EFI installed a 46,760-square-foot floating cover, 13,056-square-foot slope liner and three floating baffles at Staunton's water treatment plant in 2003.

Gallo Farms — Atwater, CA
Covered lagoon biogas system for Gallo Farms in Atwater, California, treating high-strength dairy and cheese processing wastewater.

Rayonier Advanced Materials — Florida
Pulp mill wastewater liner system for Rayonier Advanced Materials in Florida, engineered for hot, chemically aggressive cellulose effluent.

Murphy Brown / Smithfield Foods — North Carolina
Lagoon cover and methane capture system for Murphy Brown, Smithfield Foods' hog subsidiary, at large swine operations in North Carolina.

Castelanelli Bros. Dairy Digester Cover, Lodi, CA
EFI fabricated and installed a 60 mil HDPE digester cover and biogas collection system at Castelanelli Bros. Dairy in Lodi, California, in 2004.

Nestle Purina — Hartwell, GA
Wastewater containment and treatment lagoon liner system for Nestle Purina's pet food manufacturing facility, engineered for high-BOD rendering wastewater.

Tyson Foods — Broken Bow, OK
Poultry processing wastewater lagoon liner and floating cover system for Tyson's southeastern Oklahoma facility, combining containment with odor control.
Smithfield Foods — Tar Heel, NC
Covered lagoon digester and biogas destruction system at Smithfield's Tar Heel pork plant, destroying over 55,000 tCO2e of methane annually.
Republic Services Landfill — Boise, ID
Double-lined landfill containment system with leachate collection for Republic Services in Boise, covering 1.8 million SF over basalt geology.
Ameresco Dairy Digester — Tulare, CA
LCFS-pathway covered lagoon digester for Ameresco at a 4,500-head Tulare dairy, capturing 18,000 tCO2e annually with CARB-compliant monitoring.
BilMar Foods Covered Equalization Cells, Zeeland, MI
EFI supplied and installed HDPE liners and floating covers for two wastewater equalization cells at BilMar Foods in Zeeland, Michigan, in 1997.
CalBio Dairy Cluster — Hanford, CA
Multi-farm covered lagoon digester cluster serving 5 dairies in Kings County, with centralized biogas collection and pipeline injection for RNG production.
Rayonier Advanced Materials Expansion — Fernandina Beach, FL
Lagoon containment expansion at Rayonier's Fernandina Beach pulp mill, adding a 280,000 SF double-lined cell and rehabilitating two existing cells.

Farmergy Swine — Clinton, NC
Swine lagoon cover and biogas collection system for Duplin County hog farms, generating carbon credits through verified methane destruction.

Central Bi-Products Covered Treatment Cell, Long Prairie, MN
EFI installed an HDPE liner and insulated cover for a new anaerobic pretreatment cell at Central Bi-Products in Long Prairie, Minnesota, in 1997.
Sysadvance Biogas — Stephenville, TX
Dairy digester with biogas upgrading infrastructure for RNG production at a 6,000-head dairy in Erath County, Texas, the state's top dairy region.
Santee Cooper Utility — Moncks Corner, SC
Coal ash pond liner and stormwater containment for Santee Cooper's Cross Generating Station, meeting EPA CCR Rule requirements.

Emerald Dairy — Emerald, WI
Covered lagoon digester with enclosed flare at Emerald Dairy's 3,200-head Wisconsin operation, engineered for extreme cold and heavy snow loads.
RDO Foods — Grand Forks, ND
Covered anaerobic treatment cell with HDPE liner and insulated cover for a Grand Forks potato plant, ending odor complaints and fueling boilers.

Old River Dairy — Bakersfield, CA
Large-scale dual covered lagoon anaerobic digester system producing 13,000 MWh/year of renewable energy from an 8,400-cow dairy operation.

Village of Laurelville Wastewater Treatment Plant
Replacement of a permeable floating cover on a 58 ft by 75 ft wastewater treatment basin in Laurelville, Ohio.
Crisp County Landfill — Crisp County, GA
Landfill cell expansion with HDPE liner and leachate collection system, enabling continuous operation without disrupting existing refuse intake.

US EPA Superfund Site — Sergeant Bluff, IA
Floating covers and landfill capping for a former tannery Superfund site contaminated with heavy metals, as part of a comprehensive EPA remediation plan.
Alpine Farms Pond Liner, Natural Bridge Station, VA
EFI installed a 40 mil textured HDPE pond liner at Alpine Farms in Natural Bridge Station, Virginia, in 2006.
Barham Farms — Johnston County, NC
In-ground anaerobic digester with covered lagoon system for a 4,000-head hog farm, producing biogas for electric power generation and reducing odor.

Creek Acres Farm | Amsterdam, NY
Two ambient temperature lagoon cover digester systems at Creek Acres Farm, a 400-cow New York dairy, cutting emissions and earning VER credits.

Westvaco Chemical — North Charleston, SC
Secondary containment liner retrofit for above-ground chemical storage tanks, stopping groundwater leakage from deteriorated concrete.
Fessenden Dairy | King Ferry, NY
Two-stage lagoon cover and biogas collection system installed at Fessenden Dairy in King Ferry, New York, in 2008.
Gallo Farms / Cottonwood Dairy — Atwater, CA
Anaerobic digester cover for Gallo Farms' 5,500-cow Cottonwood Dairy in Atwater, California, with captured methane powering steam and electricity.
Massanutten Public Service Company - McGaheysville, VA
HDPE liner and nonwoven geotextile installation for a wastewater overflow pond, with custom fitting at the deeper aerator areas.

Sierra Cattle Company | Lindsay, CA
Anaerobic lagoon cover and biogas collection at Sierra Cattle Company in Lindsay, California. The 2004 project served 6,000 heifers and steers.
Town of Arlington, Arlington, TN
Geosynthetic-lined sludge storage lagoon for the new Arlington Wastewater Treatment Plant with textured HDPE liner.

Diageo USVI Rum Distillery — St. Croix, U.S. Virgin Islands
Hurricane-rated floating covers on three 4-million-gallon bioreactors for Biothane/Veolia at the Diageo rum distillery in St. Croix.
Teys Australia Lakes Creek — Beenleigh, Queensland, Australia
Covered anaerobic lagoon and BNR basin at Teys Australia's Lakes Creek plant, treating 550ML of effluent yearly and offsetting boiler fuel.

Town of Pine Mountain — Pine Mountain, GA
HDPE geomembrane liner with geotextile for a pretreatment basin expansion at Pine Mountain's wastewater treatment facility.

Pacific Rim Dairy | California
Three-lagoon, two-stage digestion system at Pacific Rim Dairy in California, repurposing existing ponds with HDPE covers and air injection.

VanWarmerdam Dairy | Galt, CA
HDPE cover, baffle, mixing and air injection systems at VanWarmerdam Dairy in Galt, California. The July 2013 project listed 650 kW of generation capacity.
Brown Packing, Gaffney, SC
EFI fabricated and installed an insulated anaerobic digester cover for Brown Packing in Gaffney, South Carolina, in spring 2006. The treatment upgrade also included a lagoon baffle.
Bowman Sewer Systems — Bowman, SC
Floating baffle replacement in three lagoons at the Town of Bowman's wastewater plant, restoring retention time to meet discharge limits.
Orangeburg Water Treatment Plant — Orangeburg, SC
Clearwell baffle installation at the Orangeburg Water Treatment Plant, with five baffles increasing chlorine contact time and treated volume.
Barham Farm — Zebulon, NC
EFI installed an ambient temperature anaerobic digester cover at this 4,000-head swine farrow-to-wean operation under contract with Prestage Farms.
Crisp County Landfill — Crisp County, GA
EFI provided geosynthetic liner solutions for this county landfill in Georgia. Case study documentation available in Old EFI archives.
Bruce Foods Digester Cover, Wilson, NC
EFI performed the geomembrane work for a floating digester cover and baffles at Bruce Foods in Wilson, North Carolina. The historical design collected biogas from the anaerobic lagoon for use in a plant boiler.
Mid-America Tanning
EFI provided geosynthetic solutions for this tanning facility's wastewater treatment needs. Case study documentation available in Old EFI archives.
Rayonier
EFI provided wastewater treatment improvements for this pulp and paper company. Case study documentation available in Old EFI archives.
Excel Corporation Cover Repairs, Fort Morgan, CO
EFI performed geomembrane repair work at Excel Corporation's wastewater treatment plant in Fort Morgan, Colorado. The 1996 case history describes rebuilding a damaged floating cover while the treatment cell remained in operation.
Town of Hardwick Wastewater Treatment, VT
EFI fabricated and installed a permeable cover and floating baffle at the Town of Hardwick's wastewater treatment plant in fall 2007. The upgrade created an anaerobic treatment cell within an existing aerated pond.

Sun-Maid Growers — Fresno County, CA
Floating cover and liner system for Sun-Maid Growers' raisin processing wastewater lagoons in California's Central Valley.
Westvaco Chemical Division
EFI provided geosynthetic solutions for Westvaco's chemical division. Case study documentation available in Old EFI archives.
Murphy Brown
EFI project for Murphy Brown, one of the largest swine production companies in the United States. Case study documentation available in Old EFI archives.
Town of Pine Mountain — Pine Mountain, GA
EFI provided geosynthetic solutions for this Georgia municipality's wastewater treatment needs. Case study documentation available in Old EFI archives.
RDO Foods
EFI provided wastewater treatment improvements for this food processing facility. Case study documentation available in Old EFI archives.
Sustainable Beef
EFI provided geosynthetic solutions for this sustainable beef processing operation. Recent project from 2024.
Nestle Foods Gaffney — Gaffney, SC
EFI provided geosynthetic solutions for Nestle's food processing facility in Gaffney, South Carolina. Recent 2024 project.
Old River
Inflated digester cover system at the Old River dairy operation, capturing biogas, controlling odor, and providing reliable containment.

Pilgrim's Mt. Pleasant — Mt. Pleasant, TX
EFI performed wastewater expansion and ongoing repair work at this Pilgrim's Pride poultry processing facility. Multiple job phases across 2023-2025.

Prestage Farms
EFI provided geosynthetic solutions for this major poultry and swine producer. Recent project from 2024.

Abita Brewing — Abita Springs, LA
EFI installed a new floating cover at this well-known Louisiana craft brewery's wastewater treatment lagoon. Recent 2025 project.
Three Mile Canyon — Oregon
EFI performed a cover replacement at Three Mile Canyon, one of the largest dairy operations in Oregon. Recent 2025 project.

Tyson Dakota City — Dakota City, NE
EFI provided geosynthetic cover solutions for Tyson's meat packing facility in Dakota City, Nebraska.

Gerben Leyendekker Dairy — California
EFI installed a gas collection system at this California dairy operation as part of ongoing biogas capture work. Recent 2025 project with site photos available.

Hollandis Dairy — California
EFI installed gas collection systems at this California dairy as part of biogas capture operations. Recent 2025 project with site photos available.

Double J Dairy — California
EFI installed gas collection systems at this California dairy operation. Recent 2025 project with site photos available.

Jacobus DeGroote Dairy — California
EFI installed gas collection systems at this California dairy. Recent 2025 project with site photos available.

Cloverdale Dairy — California
EFI installed sludge lines at this California dairy as part of ongoing digester maintenance. Recent 2025 project with site photos available.

Rob Van Grouw Dairy — California
EFI installed gas collection systems at this California dairy as part of biogas capture work. Recent 2025 project with site photos available.
Greif Pulp & Paper
Cover repair project at the Greif pulp and paper facility in 2025, maintaining odor control and reliable containment of process wastewater.
Wayne-Sanderson Hazlehurst — Hazlehurst, GA
EFI provided geosynthetic solutions for Wayne-Sanderson's poultry processing facility in Hazlehurst, Georgia. Recent 2024 project.
West Virginia University — Morgantown, WV
EFI fabricated custom panels for West Virginia University. A unique institutional project demonstrating EFI's custom fabrication capabilities.
BGAD Igloos (Blue Grass Army Depot) — Richmond, KY
Geosynthetic panel fabrication for igloo structures at Blue Grass Army Depot in Richmond, Kentucky, spanning phases V through VIII.
SC Pet — H2S Characterization & O2 Injection
H2S characterization study and O2 injection system at a pet food processing wastewater facility, demonstrating 78-83% H2S reduction in biogas.
CalBio Phase 1 — 16-Site Dairy O2 Injection Cluster
O2 injection systems deployed across 16 dairy digester sites in California's San Joaquin Valley, supporting the largest dairy RNG cluster in the US.

Aemetis Borba Dairy — Skidded O2 System
Packaged skidded O2 injection system for a single dairy digester, featuring an integrated compressor, dryer, filters, and AirSep oxygen generator on one skid.
Oliveira Dairy — O2 Addition with Mixer Controls
O2 injection system with mixer controls added to Oliveira Dairy's covered lagoon digester project, including skid and precision flow measurement.
Blue Sky Dairy — O2/Air Injection System
O2 and air injection system evaluation for Blue Sky Dairy's covered lagoon project, added as a change order with budget comparison analysis.

La Joya Swine Farm Biodigesters
Geosynthetic liners and covers for two biodigesters at La Joya, a swine farm in Puebla, Mexico, documented by Environmental Fabrics de Mexico.

El Capricho Dairy Farm Biodigester
Lagoon lining and floating cover work by Environmental Fabrics de Mexico for the El Capricho dairy farm biodigester in Leon, Mexico.
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