Founded in 1960, V.K. Knowlton Construction & Utilities has a staff of more than 450 construction operators and estimators. Its projects include streets, subdivisions, concrete work, commercial paving, utilities, highways, excavating and business parks. V.K. Knowlton Construction & Utilities is a part of Tetco, which operates convenience stores in the United States. The parent company also has interests in petrochemical distribution, oil and gas exploration, real estate development, and paving and utility construction. Tetco has operations in Alabama, Arizona, Colorado, Illinois, Louisiana, New Mexico, Oklahoma, Nevada and Utah. The parent company was founded in 1937.