D.F. Johnson & Associates is dedicated to providing high quality, professional consulting and tree removal services in Renfrew County, Ottawa, and beyond. Dean Johnson, Owner, is a Registered Professional Forester (RPF) with over 35 years of diversified forest industry experience in woodlands and manufacturing. His extensive leadership background and experience in forest and mill management has laid a strong foundation for his professional consulting and tree service business. Call us today to schedule a consultation. more... See more text