Williams, Porter, Day & Neville, P.C.

Williams, Porter, Day & Neville, P.C. is a Wyoming law firm with over 70 years of experience serving businesses, individuals, and communities across broad practice areas including business litigation, construction law, employment, energy, healthcare, insurance defense, and professional liability. Based in Casper, the firm is known for deep Wyoming roots and high-standard representation grounded in integrity and practical problem-solving.

About

Williams, Porter, Day & Neville, P.C. is a Wyoming-focused law firm with over 70 years of experience serving the state's businesses, individuals, and communities. Based in Casper, the firm has built deep roots in Wyoming and maintains a reputation for high-standard representation grounded in integrity and a thorough understanding of Wyoming's people, businesses, government, and economy.

The firm offers broad expertise across multiple practice areas, serving clients who need fair, productive representation at reasonable rates. In business and commercial litigation, WPDN handles matters including breach of contract, fraud, and breach of the covenant of good faith and fair dealing, representing clients in court, arbitration, and mediation settings.

The firm's construction law practice serves developers, property owners, contractors, and others navigating complex projects. WPDN advises on construction contract drafting and review, construction defect claims, change order disputes, mechanic's liens, and insurance and indemnification matters. In employment and labor relations, the firm represents both public and private sector employers across industries—construction, healthcare, building services, retail, transportation, financial services, insurance, manufacturing, technology, hospitality, and oil and gas—using preventive measures, practical problem-solving, and strategic dispute resolution to manage labor issues.

For energy and oil and gas clients, WPDN provides counsel on operating agreements, royalty disputes, surface use agreements, asset transactions, mineral and oil and gas leasing, permits, regulatory compliance, and land use matters. The firm maintains sensitivity to market volatility and helps clients navigate fluctuating industry conditions.

In healthcare law, WPDN's attorneys counsel physicians, hospitals, long-term care facilities, and other professionals on contracting, licensing, credentialing, privacy concerns, and other regulatory complexities. The firm's insurance defense practice focuses on tort defense, claims defense, coverage analysis, and bad faith matters, with experience in motor vehicle accidents, premises liability, product liability, food and restaurant claims, trucking, transportation, industrial, construction, and environmental liability.

WPDN also represents professionals in liability lawsuits and claims—including physicians, attorneys, accountants, and contractors—recognizing that such disputes affect both reputation and personal finances. In transportation and logistics, the firm's attorneys handle regulatory compliance, day-to-day operations, accidents, injuries, and cargo and contractual claims for industry members and their insurers. For retail, restaurant, and hospitality owners, the firm provides tailored legal guidance to meet specific business needs.

Additional practice areas include estate planning, wealth security, elder law, workers' compensation, and family law. The firm is known for combining individual expertise with cohesive teamwork to deliver high-quality client services.

Overview compiled from the firm's website