Return to About Us page. Facilities, Departments, & Services PLS has a 12,400 square foot facility located at 24 London Lane, in Seabrook, New Hampshire that is comprised of offices, production space and showroom. PLS provides full time staffed departments for End Product Sales, Design, Install & Turnkey Systems for Permanent Applications, Rental Department, and a Theatrical Production Department that also designs, staffs and produces contracted Special Events. PLS are an authorized dealer and reseller for all product lines represented. PLS has authorized service technicians that are certified in the product lines that the Rentals, Sales, and Production Department uses and promotes. PLS provides design services with Vectorworks and ESP Vision software.