From what I see, they are striking against outsourcing of their jobs
Long Beach Post - Port Strike Continues, Not Affecting Shipping Traffic
Port Strike Continues, Not Affecting Shipping Traffic
1:30pm | Talks between shipping companies and striking clerical workers at the Ports of Long Beach and Los Angeles resumed today, though both sides are reportedly frustrated at the lack of progress. Negotiators began another bargaining session at 1:00pm today.
Clerical workers have been on strike now for six days, though there has been no apparent effect on shipping traffic thus far.
The dispute comes over job security, as employees are worried that their positions could be outsourced and are asking for a guarantee that they are safe. Employers told the Associated Press that such a request isn't fair. From a stor
Long Beach Port Not Slowed by L.A. Port Strike - Long Beach, CA Patch
Long Beach Port Not Slowed by L.A. Port Strike
75 Members of ILWU's clerical unit shut down the busiest Pier 400 but no work stoppage was reported at Long Beach's part of the nation's busiest shipping basin.