info@a1werkplan.nl A1 Werkplan BV works in a professional manner with its employees, employers (clients) and candidates, and this in an open, honest and future-oriented manner with the aim of correctly connecting supply and demand in the field of personnel provision. . A1 Werkplan is a temporary employment and secondment agency for technical personnel with offices in Hoogvliet, Urmond and Ploiesti (Romania). Personnel available for industry, energy, food industry, construction, infrastructure and utility.