EMS is a woman-owned small business located in Bozrah, CT, approximately 20 miles north of Groton, CT.  Donna LaParre is President and C.E.O., and Mervin LaParre II is the Vice President and C.O.O.

EMS supports a variety of customers including the U.S. Navy supply chain, Navy shipyards, and commercial customers.  We are capable of providing the design and manufacture of a large variety of components and have ready access to a large cadre of experienced submarine designers, engineers, and program managers.  


EMS is willing and able to support customer requirements for small quantity jobs as well as large production runs.  Having our own in-house machine shop provides us with a great deal of flexibility and agile response times


EMS provides consulting services to key industry leaders that design, manufacture, and support propulsion motors of varying scale, battery systems, and controls.  We work closely with a number of shipyards and have provided consulting and design services in support of the Gerald R. Ford Class aircraft carrier launch and recovery systems. 

Multiple Products for the US Submarine Fleet - Private and Government Shipyards

Production Alternator for 2kW Army Generator

Support of CVN 78 Electromagnetic Launch System and Advanced Arresting Gear

The company currently has 20 fulltime employees and a number of part-time employees.  Key personnel provide more than 200 years of combined experience with backgrounds based in high quality design / production engineering, shipbuilding, small production runs, and / or custom manufacturing environments, all with distinctive areas of expertise.

Miscellaneous Assemblies and Parts

EMS’s legacy is predominately in the design, manufacture, overhaul, and repair of Navy motors for pumps and propulsion.  Merv was a key employee at Electro-Dynamic (ED), a subsidiary of General Dynamics Electric Boat until 2000 when it was dissolved.  Merv served as the ED Director of Operations from 1995 to 2000.  Merv and his wife Donna created EMS in 2000 and have grown from a two-person, garage-based operation to a 20-person business in a new 25,000 square foot building.  In addition to design, engineering, manufacturing, assembly, and test spaces, the building includes a full in-house machine shop capability as well as metal forming and welding.

Overhaul / Repair of Navy and Army Motors and Pumps

EMS is an extremely flexible and responsive organization that is able to adapt its resources to the emergent needs of its customers