See Statistical Consultants by Expertise

Bayesian Methods	Biometrics & Biostatistics	General Advanced Methodological Techniques
Data Collection Procedures	Statistical Process Control	Modeling & Forecasting
Statistical Training	Systems Analysis & Programming	Qualitative Research Design
Qualitative Data Coding and Analysis	Qualitative Results/Report Writing	Qualitative Coding and Analysis Software
Graphics	Market Research	Risk Assessment & Analysis
Statistical Software - SAS	Statistical Software - SPSS	Statistical Software - Other
Construction of Tests & Measurements	Non Parametric Statistics	Experimental Design
Expert Witness	Segmentation	Decision Theory
Operations Research	Quality Management, 6-Sigma	Sampling & Sample Design
Statistical Organization & Administration	Technical Writing & Editing	Probability
Temporal & Spatial Statistics	Time Series Analysis and Forecasting	Survey Design & Analysis
Mixed Methods Research Design	Machine Learning