ESP vs ESOA Comparison

Espey Manufacturing & Electronics Corp designs, develops, tests, and manufactures specialized military and rugged industrial power supplies and transformers for use in harsh or severe environment applications. Its products and solutions include power converters, power conditioning, high-voltage radar, contract manufacturing, custom engineering, and others. The applications of these products include AC and DC locomotives, shipboard power, shipboard radar, airborne power, ground-based radar, and ground mobile power.

Energy Services of America Corporation is engaged in providing contracting services for energy-related companies. The company is predominantly engaged in the construction, replacement, and repair of natural gas pipelines and storage facilities for utility companies and private natural gas companies. It services the gas, petroleum, power, chemical, and automotive industries and does incidental work such as water and sewer projects. Energy Service's other services include liquid pipeline construction, pump station construction, production facility construction, water and sewer pipeline installations, various maintenance and repair services, and other services related to pipeline construction.