Big Four Foundries, Inc.	Tulsa, Oklahoma	Base line air quality studies and audit of plant's compliance with applicable standards and regulations.
Tulsa District, U.S. Army Corps of Engineers	Tulsa, Oklahoma	Closure plans and hydrogeologic assessments for two waste impoundment lagoons at Reese AFB, Texas. Included risk analysis and documentation to support clean closure.
Farmland Industries, Inc.	Coffeyville, Kansas	Part B Application preparation for two refineries located in Coffeyville and Phillipsburg, Kansas.
McDonnell Douglas/USAF	Tulsa, Oklahoma	Provided all necessary data for surface and groundwater in relation to surface impoundments at Air Force Plant No. 3 to satisfy RCRA, Part B application requirements.
Bio Gro Systems, Inc.	Western Pennsylvania	Preparation of permit application for applications of municipal sludge to mine land.
National Oilwell Varco	Houston, Texas	Annual air emissions inventories, air permitting, stormwater and EPCRA services for several facilities located in Oklahoma.
Bodycote	Tulsa, Oklahoma	Storm water, Health & Safety Training and annual EPCRA reporting documentation and air permitting services.
Yaffee Companies	Muskogee, Oklahoma	Stormwater, air, and SPCC compliance services for several facilities located throughout Oklahoma, Arkansas, and Missouri.
Webco Industries	Sand Springs, Oklahoma	Stormwater compliance permitting and sampling.
Tulsa Tube Bending	Tulsa, Oklahoma	Stormwater compliance permitting and sampling.
Ford Motor Company Glass Plant	Tulsa, Oklahoma	Stormwater compliance permitting and sampling.
OCV Control Valve Company	Tulsa, Oklahoma	Complete environmental compliance package; stormwater compliance permitting and sampling and annual EPCRA reporting.
Quality Plating, Inc.	Tulsa, Oklahoma	Stormwater compliance permitting and sampling.
Conley Corporation	Tulsa, Oklahoma	Annual EPCRA reporting documentation.
Wheatly-Gaso Pump	Tulsa, Oklahoma	Complete environmental compliance package; SARA reporting, stormwater DMR/SWPPP plan, Form R/Form A preparation. Update SWPP, SPCC Plan.
McDonnell Douglas and U.S. Air Force	Tulsa, Oklahoma	Prepared and submitted a delisting petition to U.S. EPA for F001, F002, F003, F005, and F019 listed wastes and obtained approval.