Construction industry in developing countries is struggling from different challenges that canrnaffect the industry from achiving the intended objective which is to complete the constructionrnworks on time,as per the budget and desired quality.From the different process that help thernindustry to be sucessful,the construction control practice of contractors contributes a faire sharernin the sucess of the projects.As per the reviewed litratures ,there exist a gap in the constructionrncontrol practices in Ethiopian construction industry.Bearing this in mind , this research isrnconducted to asses the current construction controlling tools and techniques used by grade onerncontractors with respect to the tools and techniques described in PMBOK.The research is ofrndescriptive type and uses questionnaire and interview as an instrument to collect data.Thernanalysis of the research shows the percentage and frequency of used construction controllingrntechniques.Also in order to rank the techniques that the contractors use, RII is used as a methodrnof analysis.The finding of the research elaborates that mostly used tools and techniques arernproject management software to control time and cost of projects and inspection to control thernquality of construction projects.Also, the finding revealed that different types of controllingrntechniques are not used by most of the contractors.Furthermore as per the research,even thoughrnthere exists a lack of usage of different construction controlling tools and techniques,thernprofessionals in the construction firm perceive that they have a good construction controllingrnsystem.From the finding of the research the researcher recommends the contractors to practicerndifferent controlling techniques that best fit their construction projects