Southwestern Petroleum Corporation

Texas Refinery manufactures and develops lubricants. TRC has two divisions: protective coatings and quality lubricants. The protective coatings division produces a variety of products, including blacktop maintenance and floor products, industrial cleaners, and roof repair and maintenance products and strengthening membranes. Quality lubricants division offers products such as cleaners, solvents and degreasers, fuel treatments, motor oils, and transmission fluids. Products are available in many sizes, including 6-gallon or 55-gallon drums, quarts, cans, tubes and bulk containers. The company has operations in Canada, an export division. It provides services to numerous foreign nations, including Belgium, the Middle East and New Zealand. Established in 1922, the company is headquartered in Fort Worth, Texas.

Founded in 1982, Para Systems is a privately-held corporation that manufactures the MINUTEMAN line of uninterruptible power supplies. The company s products are solid in more than 30 countries throughout the world. Para Systems is located in Carrollton, Texas.

Operational since 1949, Jet Lube manufactures a variety of specialty greases, compounds and lubricants. It offers products under the SEAL-GUARD, WELL-GUARD, EXTREME, BULLSEYE, KOPR-KOTE and NCS-30 brands. The company s oil field products include tool joint compounds, valve sealants and rig washes. It also offers a range of aerosols, anaerobics, coatings, cleaners and thread sealants. Jet Lube has achieved ISO 9001 certification from the International Organization for Standardization. The company offers product development, procurement and documentation services. In addition, it offers design and delivery solutions. Jet-Lube is a wholly owned subsidiary of Capital Southwest Corporation, which is a publicly owned business development company.