▁ 1 6 ▁hot els ▁with ▁ 7 9 5 ▁b eds . ▁ ▁The ▁tr end ▁of ▁sh ifting ▁from ▁producing ▁indust ries ▁and ▁craft s ▁to ▁service ▁indust ries ▁became ▁clear ▁when ▁ 2 0 0 3 ▁is ▁compared ▁to ▁ 1 9 8 7 : ▁ten ▁years ▁after ▁the ▁greater ▁community ▁was ▁founded , ▁service ▁indust ries ▁compr ised ▁ 5 2 % ▁of ▁the ▁economy , ▁but ▁this ▁share ▁rose ▁over ▁the ▁next ▁ 1 5 ▁years ▁to ▁ 7 3 %. ▁ ▁In ▁Rod g au , ▁roughly ▁ 1 5 0 ▁high ▁technology ▁companies ▁are ▁resident . ▁Domin ating ▁the ▁techn ological ▁field ▁is ▁information ▁and ▁communic ations ▁technology ▁for ▁av iation ▁and ▁space ▁travel , ▁followed ▁by ▁sensor , ▁meas uring , ▁control ▁and ▁analyt ical ▁technology . ▁Furthermore , ▁production ▁technology , ▁automatic ▁surface ▁finishing , ▁micro elect ron ics ▁and ▁opt oe lect ron ics ▁are ▁also ▁represented . ▁ ▁In ▁ 2 0 0 5 , ▁Rod g au ' s ▁commercial ▁operations ▁made ▁available ▁all ▁together ▁ 9 , 0 7 6 ▁jobs ▁on ▁the ▁social ▁ins urance ▁roll s . ▁Moreover , ▁there ▁were ▁roughly ▁ 3 , 0 0 0 ▁jobs ▁for ▁the ▁self - emp loy ed , ▁officials ▁and ▁those ▁margin ally ▁employed . ▁ ▁A ▁great ▁number ▁of ▁Rod g au ' s ▁working ▁people ▁have ▁jobs ▁in ▁the ▁nearby ▁cities : ▁Frankfurt ▁am ▁Main ▁( 2 5   km ▁away ), ▁Frankfurt ▁Airport ▁( 3 0