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Add-on·Environmental Services/Waste Management·June 23, 2026

EIS adds ARM Environmental Services

Brings three decades of underground storage tank and environmental remediation experience to the Audax-backed platform, deepening its coverage in the Carolinas.

Takeaways

  • EIS is acquiring ARM Environmental Services with backing from Audax Private Equity.
  • The target serves commercial, industrial, government across Southeast United States.
BuyerEIS
TargetARM Environmental Services
SponsorAudax Private Equity
TypeAdd-on
GeographySoutheast United States
IndustryEnvironmental Services
Sub-sectorWaste Management

ARM Environmental Services, a Columbia, South Carolina-based provider of environmental consulting, subsurface remediation, and underground and aboveground storage tank services, has been acquired by EIS, an Audax Private Equity-backed national environmental and infrastructure services platform.

Founded in 1991, the firm serves commercial, industrial, and government clients across South Carolina and Georgia.

“We acquire companies that make EIS stronger for our clients, and ARM is a great example of that,” said EIS President and CEO B.J. Stephan.