Frontera supplies and transports natural gas to government installations across the United States. Frontera is also in the business of distributing electricity and supplying certain chemical agents.

AOC provides industrial and medical gases, water treatment, welding equipment and supplies. Gases include: Bottled gases and cryongenic vessel storage.

Chemical manufacturing, wholesale and distribution - chemicals for water treatment, oilfield, paper, cleaning and chemical manufacturing. General services: construction, consulting, cleaning and retail goods.

chlorine, sodiumhypochlorite, bleach, equipment, water, treatment

Petroleum Refineries, Asphalt Shingle and Coating Materials Manufacturing, Petroleum Lubricating Oil and Grease Manufacturing, Petrochemical Manufacturing, Alkalies and Chlorine Manufacturing

Industrial Gas Manufacturing, Alkalies and Chlorine Manufacturing, Abrasive Product Manufacturing, Welding and Soldering Equipment Manufacturing, Industrial Machinery and Equipment Merchant Wholesalers

Industrial Gas Manufacturing, Alkalies and Chlorine Manufacturing, Abrasive Product Manufacturing, Welding and Soldering Equipment Manufacturing, Industrial Machinery and Equipment Merchant Wholesalers

Industrial Gas Manufacturing, Alkalies and Chlorine Manufacturing, Abrasive Product Manufacturing, Welding and Soldering Equipment Manufacturing, Industrial Machinery and Equipment Merchant Wholesalers

Support Activities for Coal Mining, Alkalies and Chlorine Manufacturing, Nitrogenous Fertilizer Manufacturing, Other Aircraft Parts and Auxiliary Equipment Manufacturing, All Other Transportation Equipment Manufacturing

Industrial Gas Manufacturing, Alkalies and Chlorine Manufacturing, Abrasive Product Manufacturing, Welding and Soldering Equipment Manufacturing, Industrial Machinery and Equipment Merchant Wholesalers

Industrial Gas Manufacturing, Alkalies and Chlorine Manufacturing, Abrasive Product Manufacturing, Welding and Soldering Equipment Manufacturing, Industrial Machinery and Equipment Merchant Wholesalers

Industrial Gas Manufacturing, Alkalies and Chlorine Manufacturing, Abrasive Product Manufacturing, Welding and Soldering Equipment Manufacturing, Industrial Machinery and Equipment Merchant Wholesalers

Industrial Gas Manufacturing, Alkalies and Chlorine Manufacturing, Abrasive Product Manufacturing, Welding and Soldering Equipment Manufacturing, Industrial Machinery and Equipment Merchant Wholesalers

Alkalies and Chlorine Manufacturing

Bottled Water Manufacturing, Petroleum Refineries, Petroleum Lubricating Oil and Grease Manufacturing, Alkalies and Chlorine Manufacturing, All Other Basic Inorganic Chemical Manufacturing