EFI USA
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EFI USA vs MidAmerica Liner

A detailed comparison of two geosynthetic containment contractors. National scale and integrated services versus regional liner installation.

Side by Side

Capability Comparison

CategoryEFI USAMidAmerica Liner
Founded1993, Gaston, South Carolina2008, Strafford, Missouri
Fabrication Facilities3 in-house fab hubsFabrication capability not published
Geographic Coverage45 states, nationwideCentral US focus
Covered Lagoon Digesters500+ CLD systems, 82% market shareAnaerobic covers offered; installed count not published
H2S Removal / Gas Treatment14 proprietary O2 injection modelsNot part of published scope
Liner MaterialsHDPE, LLDPE, PVC, RPPHDPE liner systems
Services OfferedLiners, biogas, covers, O2 injection, baffles, mining, wastewaterLiners, anaerobic covers, HDPE system repairs and upgrades
O&M Support24/7 monitoring, O&M contracts availablePost-install program not published

Key Differentiators

Why Clients Choose EFI Over Regional Installers

In-House Fabrication at Scale

EFI operates three fabrication facilities strategically positioned across the United States. Every liner panel, cover section, and custom component is fabricated in-house under EFI quality control. This eliminates the delays and quality risks that come with outsourcing fabrication to third parties, a common practice among regional installers. The result is faster project timelines, consistent material quality, and the capacity to handle multiple large-scale projects simultaneously.

Integrated Biogas Capability

While MidAmerica Liner focuses on geosynthetic installation, EFI provides the full spectrum of environmental containment including biogas capture, anaerobic digester covers, flaring systems, and cloud-based monitoring. With 500+ covered lagoon digester systems installed and 82% of the US CLD market, EFI brings unmatched biogas expertise. For operations that need both containment liners and biogas capture, EFI delivers both under a single contract with a single point of accountability.

Nationwide Coverage vs Regional Reach

MidAmerica Liner serves the central United States from Strafford, Missouri. EFI USA operates in 45 states with the infrastructure, crew depth, and logistics capability to mobilize anywhere in the country. For organizations with operations in multiple states or regions, this means a single vendor relationship that scales with your footprint instead of managing multiple regional contractors.

30+ Years of Project Data

Every EFI project benefits from three decades of accumulated operational data. Our proprietary database of 500+ installations across diverse climates, soil conditions, waste types, and regulatory environments informs every engineering decision. This depth of real-world data means more accurate feasibility assessments, better material selection, and system designs that perform reliably over their 20+ year service life.

FAQ

Frequently Asked Questions

MidAmerica Liner, founded in 2008 and based in Strafford, Missouri, is an HDPE liner and anaerobic cover contractor working largely across the central United States. EFI USA has been building since 1993, fabricates at three in-house facilities, works in 25 or more states, and carries the full biogas system alongside liner installation, including covered lagoon digesters, O2 injection, flaring, and monitoring.

Yes. MidAmerica Liner was founded in 2008 to design and install anaerobic covers, and digester covers remain part of its work. The difference is scale and scope: EFI USA has installed more than 500 covered lagoon digester systems, roughly 82 percent of the US covered lagoon market, and carries the gas side of the system as well, including O2 injection for H2S removal, enclosed flaring, and 24/7 monitoring.

EFI USA operates three strategically located fabrication hubs that handle HDPE, LLDPE, PVC, and RPP panel fabrication in-house. This means faster turnaround, tighter quality control, and the ability to manage large-scale projects without outsourcing. Regional installers typically rely on third-party fabricators, which can add lead time and reduce quality oversight.

Absolutely. EFI USA is active in 45 states including Kansas, Missouri, Oklahoma, Nebraska, Iowa, and throughout the central United States. Our national infrastructure means we can mobilize crews and materials quickly regardless of project location, and our experience spans every climate and regulatory environment in the country.

A national contractor like EFI USA brings advantages that regional installers cannot match: a larger project database informing better engineering decisions, in-house fabrication eliminating supply chain dependencies, cross-industry expertise from agricultural to mining to municipal applications, and the ability to support multi-site operations from a single vendor relationship.

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