Thank you very much for your reply. Given that you are in an all-male office, it would seem that your gender may indeed be playing a role in this poor treatment. If you believe that your gender is a motiviation for the unfair treatment you are experiencing, then you may have a claim for gender based discrimination which you can pursue through the EEOC or the Texas Workforce Commission.
Absent a gender-based motive or other discriminatory motive, however, the conduct that you describe, while incredibly frustrating is not illegal, as there is no law mandating fairness or civility in the workplace.
Thus, there would appear to be three options under the circumstances you descirbe--file a complaint for gender based discrimination with either of the agencies named above, attempt to lodge a complaint with HR or your manager's supervisor regarding their unfair treatment of you but deal with things as a non-discrimination issue, or leave your job.
For information on how to bring a claim through the Texas Workforce Commission, visit this link: http://www.twc.state.tx.us/crd/how-submit-employment-discrimination-complaint.html
For information on how to bring a claim through the EEOC, visit this link: http://www.eeoc.gov/employees/charge.cfm
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