Contact BOI Environmental

NOTICE:
BoiE is currently undergoing renovations to our products and services in March 2026 and will be accepting online orders for new equipment around the beginning of April. We apologize for the delay.

Mailing Address:
PO Box 303, Madison, SD 57042

Location:
101 Egan Ave N, Madison, SD 57042
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EPA Establishment Number: 99115-SD-1

BOI Environmental is a privately-held company based in Madison, SD. We are Better Business Bureau (BBB) Accredited and Veterans Administration Approved. Our classrooms and offices are located in the historic Citizens National Bank building in downtown Madison.

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CARB Exemption:
I plan to purchase for an industrial use outlined in section 94801(19) of the California Air Resources Board (CARB) regulation.
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Office Hours 8am - 8pm CST Mon.-Fri. CST, 9am - 1pm Sat.

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