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Government. Avenue Strategies, the lobbying firm founded by former Donald TrumpDonald John TrumpO’Malley tells Dems not to fear Trump Right way and wrong way Five things to know about the elephant trophies controversy MORE presidential campaign manager Corey Lewandowski, has signed its largest client, the Puerto Rico Federal Affairs Administration within the Puerto Rican government. On the account are Barry Bennett, who served as an adviser to Ben Carson during his presidential run, and former Carson and Trump adviser Jason Osborne. The firm will be working on issues related to “Economic development, housing, tax, debt, transportation and infrastructure, legal matters,” disclosure firms say. The firm has three other clients: Big Cat Rescue, a nonprofit animal sanctuary; the payday loan company Community Choice Financial; and the consulting firm and government contractor Redhorse Corporation. Another client, Flow Health, Inc., terminated its contract at the end of last month. Avenue Strategies made $140,000 in the first three months of the year.

Private prisons. Former Sen. Connie Mack (R-Fla.), through his firm, Mack Strategies, is lobbying for private prison company GEO Group. The Justice Department during the Obama administration had begun implementing policies to phase out the use of private prisons by the federal government. But the Trump administration is seeking to reverse those policies and recently awarded GEO Group a $110 million federal contract to build a detention center in Texas specifically for immigrants who are detained. A group of immigrants recently filed a suit against the contractor, alleging that it pushed detainees into forced labor in violation of anti-slavery laws.

Solar. Tesla, the Elon Musk-owned carmaker that just bought Musk’s solar company, hired a lobbyist to help it talk to federal policymakers about the sustainable energy source. Rubin and Rudman, a law firm based in Boston, is handling the work. Michael Crossen, the lobbyist on the account, served as the national finance co-chair for former Sen. Kelly AyotteKelly Ann AyotteExplaining Democratic victories: It’s gun violence, stupid Trump voter fraud panel member fights back against critics Dems plan to make gun control an issue in Nevada MORE (R-N.H.) and held similar roles for other Republican campaigns, including Sen. John McCainJohn Sidney McCainTrump's dangerous Guantánamo fixation will fuel fire for terrorists Tech beefs up lobbying amid Russia scrutiny Ad encourages GOP senator to vote 'no' on tax bill MORE’s (R-Ariz.) run for president in 2008. Disclosure forms say he will be handling “solar energy and storage related issues.”