In Philadelphia, SEIU Local 32BJ committed and won the passage of regulations introducing a minimum wage and paid sick days for employees of contractors at Philadelphia International Airport. The union was later recognized as a representative of 1,400 employees of Prospect Airport Services and PrimeFlight Aviation Services, who work as baggage handlers, wheelchairs, cabin cleaners and more. The union was able to build on the minimum standards set by the regulation and obtain provisions in its first collective agreement that went beyond the requirements of the Paid Sick Days Regulation.38 Existing legislation allows employers to participate in NLRB bargaining units and employers use this process to manipulate the bargaining unit and delay and defeat union organizations. Employers often seek to supplement the union`s proposed collective agreements with workers, not because they want to negotiate with greater unity, but to dilute union support by adding workers not yet organized by the union.97 Wage estimates are in 2013 and look at the level of wages in 2013 if union density (the proportion of workers in similar sectors and regions that are unionized) had remained at the same level as in 1979. See Jake Rosenfeld, Patrick Denice and Jennifer Laird, Union Decline Lowers Wages of Nonunion Workers: The Overlooked Reason Why Wages Are Stuck and Inequality Is Growing, Economic Policy Institute, August 30, 2016. One consequence of this decline in trade union strength is a corresponding decrease in the ability of trade unions in a given sector or sector to set general standards for pay and social benefits for a large percentage of workers in that sector or sector. When unions were stronger, they were able to align the structure of collective bargaining with the structure of companies in their sector and negotiate agreements with employers who set wage standards for an entire industry.6 EU agreements set wages for unionized workers and non-union employers raised wages to remain competitive. Unions have thus helped to increase the wages of all workers, both trade unions and trade unions. The Right to Organization (PRO) Act removes barriers to the organization of workers, limits employer interference in the organization of workers, and provides for reasonable penalties when employers break the law.41 which would allow workers and unions to bring the employers involved to the negotiating table.