Engen Law Firm, Ltd. Northwood ND Business Formation Lawyer | Northwood Mediation & Civil Litigation Attorney | North Dakota Over 34 years of experience. At the Engen Law Firm, Ltd., in Northwood, North Dakota, we represent clients throughout the North Dakota, particularly south of the river. We handle most types of civil litigation and work extensively with small businesses, providing advice on business formation and general matters. We also offer arbitration and mediation services. Contact our attorneys to set up a confidential consultation.