100 company include high-tech big name join legal brief oppose president donald trump temporary travel ban argue would give company strong incentives move job outside unite state company include apple inc aapl.o google inc googl.o microsoft corp msft.o band together late sunday file friend-of-the-court brief 9th u.s. circuit court appeal san francisco argue executive order temporarily ban citizens seven muslim-majority countries refugees inflict significant harm american business elon musk tesla inc tsla.o spacex among company sign onto brief monday raise number signatories 127. musk among tech executives trump business advisory council force defend participation recent days particularly since uber technologies inc uber.ul chief executive travis kalanick quit group thursday follow travel ban new republican president jan. 27 executive order spark protest chaos u.s. overseas airports weekend follow trump defend ban necessary ensure tough vet people come unite state good protect country threat terror attack friday u.s district judge jam robart seattle rule lawsuit challenge order file washington state minnesota temporarily lift ban federal government appeal decision heavily criticize trump brief company argue order create uncertainty company depend talent overseas global business travel innovate create job unite state highly skilled immigrants interest work abroad place colleagues travel freely assurance immigration status suddenly revoke brief say multinational company strong incentives ... base operations outside unite state move hire employees make investments abroad ultimately american workers economy suffer result company argue major theme trump 2016 presidential campaign bring back job say move countries respond lawsuit federal government argue legal file president exercise constitutional authority control u.s. border law allow suspend entry class foreigners would detrimental interest unite state company initially join brief include facebook inc fb.o twitter inc twtr.n intel corp intc.o ebay inc ebay.o netflix inc nflx.o uber technologies inc uber.ul well non-tech corporations levi strauss co levst.ul chobani llc brief hail contributions inclusive immigration policies make american economy say immigrants children found 200 company fortune 500 list trump agenda immigration trade cyber security tax reform issue cause deep consternation tech industry travel ban company say want work avoid direct confrontations immigration restrictions provoke broad backlash silicon valley foreign-born nationals integral part tech economy peaceful protest google facebook uber target boycott scramble reassure many immigrant drivers side partly pressure rank-and-file big tech company separate much corporate america directly confront trump policies handful non-tech company join friend-of-the-court brief though lawyers involve say mainly group come together quickly personal contact u.s. tech titans lead legal brief trump travel ban