Lawton Septic Tank & Storm Shelter Inc.

Lawton Septic Tank & Storm Shelter Inc., a Native American-owned and minority-owned small disadvantaged business based in Lawton, Oklahoma, manufactures and installs septic systems, aerobic wastewater treatment infrastructure, and related sanitation systems as a prime contractor exclusively under total small business set-aside and Buy Indian designations across federal healthcare and environmental programs. The firm is a self-certified SDB, DOT-certified Disadvantaged Business Enterprise, and Subchapter S corporation that competes predominantly within set-aside vehicles rather than full-and-open competition.

The vendor's entire active federal footprint centers on wastewater and septic infrastructure delivery to two civilian agencies. The Indian Health Service (IHS) accounts for 227 of 228 awards (100% of combined potential value at $10 million), with the Department of the Interior Fish and Wildlife Service holding a single $250,000 multiple-award BPA for sewage removal services at the Oklahoma Wichita Mountains Refuge. Representative prime work includes a February 2026 total small business set-aside BPA call from IHS valued at $250,000 for lump-sum funding across various project numbers under the Lawton Field Office; a December 2025 $26,000 firm fixed-price call for water and wastewater facilities installation across IHS Lawton Field Office sites; and an August 2025 $190,000 call for aerobic wastewater systems, septic tanks, drainfields, lagoon systems, and well drilling at the Lawton Field Office. Smaller representative calls span $3,350 to $27,065 for individual aerobic system installations at rural Oklahoma locations including Lawton, Walters, Cache, Chickasha, Elgin, Marlow, and other tribal communities.

Lawton Septic Tank holds six active single-award BPAs with IHS running through 2030, with ceiling values of $150,000 to $2.5 million per vehicle. The top five parent vehicles by task-order volume are Blanket Purchase Agreements 75H71119A00049 (23 task orders, $134 thousand), 75H71123A00027 (22 task orders, $222 thousand), HHSI246201800031B (21 task orders, $92 thousand), 75H71120A00045 (19 task orders, $102 thousand), and 75H71122A00059 (17 task orders, $148 thousand), all issued by IHS. The company competes exclusively under total small business set-asides on these vehicles, with no full-and-open or other set-aside category work present.

Award volume has declined from a peak of 23 awards in 2022 to one award in 2026 year-to-date, signaling a recompete cliff. The combined potential value across the active award footprint is $10.3 million, with only $1.6 million obligated to date (16% draw-down). Work is performed in Lawton, Oklahoma and across rural Oklahoma locations served by IHS field offices. The firm operates as 100% prime; no subcontractor footprint is present in the source data. Primary NAICS classification is Water and Sewer Line and Related Structures Construction (NAICS 237110), with secondary codes for Septic Tank and Related Services and Plumbing, Heating, and Air-Conditioning Contractors; the principal PSC is Construction of Sewage and Waste Facilities.

sewer systems